Heating apparatus



A 7"TORNEY' I Patented Aug. 28, 1923.

entries stares Lonnn nn'rnnn, or PHILADELP IA, r'nnnsvhvama.

HEAT NG- APPARATUS.

' Application filed NovemberlY, 1921. Serial in 515,760.

T aliwhomitmay concern. I I

Be it known that I; 'LoREN BUTLER, a citizen-of the United States, residing at Fhiladelphia, in the countyof Philadelphia and State of Pennsylvania, have invented certain new and useful Improvements in is a specificatlon.

One object of my invention is to provide improved apparatus which is particularly useful for heatingwater for-household or Heat-in Apparatus, o f'which the following.

otherpurposesbygas, the burner being pro{ vided with a' pilot tube theflamefrom whichcan be adjusted so as not to be extinguished from a strong draught or sudden rush of gas plate WltllWlllCll the burner from the burner is associated.

Figure 1 isa front elevation of my im-' proved burner, i

Figure 2 is' an inverted sectional plan view taken on the line 2-"2 of Figure 1,

Figure-3 is a section taken on the line 3-8 of Figure 1, Y

Figure 1 is a section taken on the line 41t of Figure 3, 8

Figure 5 is a section taken on the line 5 5 of Figure 3, and V Figure .6 is.a section taken on the line 6-6 of Figure 3 showing the valve in another position. 7

Referring to the drawing, the burner 26, which is made in accordance with my pres ent invention, includes an upwardly taper outlet'jet portion 27. The valve stem 29 of the burner 26 has a portion 30 which projects out of the case 31 of the burner and to this portion 80 is attached an arm 32 to which operating means (not shown) can be attached for operating the valve stem by means (not shown) located at a position're mote from the valve.

The burner 26 has a pilot tube 73 which always supplies a flame for the purpose of igniting the gas which is admitted to a gas plate (not shown) by the burner and in order to prevent the sudden rush of gas from blowing out or extinguishing the flame of the pilot, I provide a construction clearly illustrated in Figures 1 to 6 inclusive and such construction will now be described.

The valvestem 29 projects from a cylindrical valve 741- which rotatably fits within a cylindrical cavity 75 in the burner case 31. The burner case 31 includes a passage 76' which directly communicateswith the gas supply pipe and this passage 35 leads upport 8 ward to the cavity 7 5. The jet portion of the case includes ajpassage 77 which leads upward from thecavity 75. and serves as the outlet passage tor the main supplyi'of gas which passes through the passage 76.

The valve 7 1 includes transversely ex- 1 tending passage 78 which can bemoved into a position registeringwith both ofthe passages 76 and 77 to supply a full flow of gas through the'burner. 'Thevalve 7 1- has a reess 79 cut. in its outer peripheralsurface;

said recess forming a conduit communicatingwith the transverse passage 81 asclearly shown" in Figure 4, Thus when the valve Ttis turned as shownin Figure A to provide the portion 80serving as a cut-oft'for the passage7 7 the recess 79 will form acommunicating conduit-with the passages 7 6 and 81 so as to supply gas to the passage 81. A

duct 71 leads froin'the transverse passage'81 of the valve to a groove 82 which'is'cut or oth rwise formed inthe. peripheral surface ofthe valve; said grooveivarying in depth ascle'arly shown in F igures'5 and 6, the

groove being deeper at 88 than at 84.

- The valve case 31 includes a lateral outlet 5 which communicates with'the cavity 75st a position registering with, the groove 82 and when the valve is in its cut-oflr posicates with the port. 82 so that when the valve 1 isin said lattervposition with the shallow' part843o'f the groove 82 in communication 7 with the port 85, a small portion of will pass through the pilot tube suliicient to maintain a flame of the size for example shown at 86 in Figure When the valve 74 is turned ina contraclockwise' direction;

viewed from Figure 5, thedeeper part of thegroove 82, which communicates with the duct 81, will move into a position in registry with the port 85 and thereby supply a greater amount'ot gas to the pilot tube 73 and the size of the flame of the pilot will be increased, as shown at 86' in. Figure 6. During this movement of the valve the transverse passage 78 'will be brought into communication with the passages 76 and 77 and when the inrush of gas takes place the flame 86 will be of suflicient size to with-' stand any blasting or blowing action caused by said inrush of gas to the burner plate andconsequently there is practically no pos sibility of the pilot flarne being blown out before the quantity "of gas passing through the burner has become ignited. My inven- 7 tion thus is capable of preventing asphyxiation of persons "by gas in the building in Which the apparatus is used and it will be noted that When the valve is again turned off, the flame of the pilot will be reduced in size so as not to Waste gas When the burner 11 s not in ope ation.

Wlfhile it have described .my invention :as

taking a particular fQBlI1, it will the under.- ttood that theyarious parts ofn y invention may be changed witho u-t departing from the 15 sp i the-reef, a d hence :1 do not limit :my-

;self to the precise construction :set forth, but consider that I arn :at liberty to make "such changes and alterations as fairly oo111e ,vv i-tl1-' i thesmpe @f t e ianpended tclaims.

;Ifl;aving:thns describeduny invention, hat 1- alarm new and desire r 30 secure 'hy letters .latent letl. Aarapparatusioff thecharactendescrihed ncluding ;a gas burner having "EtwCfiSG 1n- 7 eluding a cavity, and outlet 53411 d supply passages; oornrnunicating with the cavity'; a

pilot -;tube communicating with :the kcavity;

and a valve .inovably fitting-within zthe cavity and zhaving a -;trans.verse passage Eforrned therein and a conduitcommunicating With the passage and :the supply passage when the valve is moved to close :the passages, and

having a groove b t-varying :dept-h formed in the peripheral surface thereof and "in communication with :the transverse passage and avith the pllOt tflbe.

'2. An apparatus ofthecharacter described including-a gas burner 'havrng aiease including a cavity andioutletand supply passages:

communlcating with said cavity; a valve connnunicating With said cavity; ;a :Valve ano-va-bly ifitting Within said-:eavity; and :a piloteommunicating with saidxeavity, said valve having a'r'groove {of waryi-ng V depth 1in icomrnuniea-tion avithi said supply passage and pilot; substantially :as described.

4. Apparatus of the character described including a: gas burner havlng avease including a cavity and :outlet and supply passages 1 e l v 7] -commnnieating -:v'vith -said ieavltyi; 1 alive -m-ovably ifit t ngimthm SEIClKQEJXE y and wcludin-g a r pa-ssage inovable into communica V g stion w th said ifirst passages; Iii-11d. a pilot g-eonimunic'ating with said :eavity, Said mil-Ye Y -,inclnd1ng' FZL eondult -.con1mun-1cat1:ng with said valve passage and With said snppliy-pa$ v sage, said valve also iinclriding a groove of varying depth and a duct communicating with said groove and clatter rnentioned eonduit; 4 said 5 groove Eleei-ng opposed i0 :said pilot so that said pilot will :receive gas passing into said groove through :said finch; substantially asideseribed.

In testimony whereof I "ihaye signed any wnam'esto this specification in the presence of tWo subscribing Witnesses.

' .LiQeREN BEUEGIJER.

WVitnesses: a

ELIZABETH GARBE, GnAs. E. Perms; 

